Package org.qubership.atp.dataset.macros.processor

Class AbstractMacroProcessor<T extends MacroContextBase>

java.lang.Object

org.qubership.atp.dataset.macros.processor.MacroProcessorBase<T>

org.qubership.atp.dataset.macros.processor.AbstractMacroProcessor<T>

Direct Known Subclasses:

MacroProcessorImpl

public abstract class AbstractMacroProcessor<T extends MacroContextBase>
extends MacroProcessorBase<T>

Nested Class Summary

Nested classes/interfaces inherited from class org.qubership.atp.dataset.macros.processor.MacroProcessorBase

MacroProcessorBase.Strategy

Field Summary

Fields

Modifier and Type	Field	Description
protected String	lastEvaluationResult
protected final MacroRegistry	registry
protected final StringBuilder	tail
protected final TokensIterator	tokens

Fields inherited from class org.qubership.atp.dataset.macros.processor.MacroProcessorBase

END, START, state

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractMacroProcessor(StringBuilder tail, MacroRegistry registry)

Method Summary

Modifier and Type	Method	Description
protected abstract void	dropArguments(T context)
protected abstract void	dropText(T context)
String	evaluateAll()	Evaluates full expression.
boolean	evaluateNext()	Evaluates a part of an expression.
protected abstract String	getArguments(T context)
protected abstract String	getText(T context)
String	getValue()
protected void	reduce(T parent, T child)	Child will be thrown away.
protected boolean	reevaluateRootLevel(T root)	Invoked on the end of root macro processing.

Methods inherited from class org.qubership.atp.dataset.macros.processor.MacroProcessorBase

assertEvaluationEnded, createChildContext, read, reduceTreeLevel, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

tail

protected final StringBuilder tail

registry

protected final MacroRegistry registry

tokens

protected final TokensIterator tokens

lastEvaluationResult

protected String lastEvaluationResult

Constructor Details

AbstractMacroProcessor

protected AbstractMacroProcessor(StringBuilder tail,
 MacroRegistry registry)

Method Details

getValue

public String getValue()
                throws CtxEvalException

Throws:

CtxEvalException

evaluateNext

public boolean evaluateNext()
                     throws CtxEvalException

Evaluates a part of an expression.

Returns:

true if has next

Throws:

CtxEvalException - if got evaluation error

reevaluateRootLevel

protected boolean reevaluateRootLevel(@Nonnull
 T root)
                               throws CtxEvalException

Description copied from class: MacroProcessorBase

Invoked on the end of root macro processing. Should drop text into tail and parse again. Returns true if text has changed after extra processing step.

Specified by:

reevaluateRootLevel in class MacroProcessorBase<T extends MacroContextBase>

Throws:

CtxEvalException

getArguments

@Nonnull
protected abstract String getArguments(@Nonnull
 T context)

getText

@Nonnull
protected abstract String getText(@Nonnull
 T context)

dropArguments

protected abstract void dropArguments(@Nonnull
 T context)

dropText

protected abstract void dropText(@Nonnull
 T context)

reduce

protected void reduce(@Nonnull
 T parent,
 @Nonnull
 T child)
               throws CtxEvalException

Description copied from class: MacroProcessorBase

Child will be thrown away. Child is evaluated - content in it's text. Parent may has an arguments, which should be reevaluated too. Sample: this.tail.append(parent.args).append(child.text).append(")"); parent.args.clear();

Specified by:

reduce in class MacroProcessorBase<T extends MacroContextBase>

Throws:

CtxEvalException

evaluateAll

public String evaluateAll()
                   throws CtxEvalException

Evaluates full expression.

Returns:

evaluated value.

Throws:

CtxEvalException